diff --git a/.DS_Store b/.DS_Store
index 2ea8e72..5e1d48e 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/config.json b/config.json
index d2db83b..4a26339 100644
--- a/config.json
+++ b/config.json
@@ -5,7 +5,7 @@
       "values": ["Blue", "Orange", "Purple", "Red", "Yellow"],
       "trait_path": "./trait-layers/backgrounds",
       "filename": ["blue", "orange", "purple", "red", "yellow"],
-      "weights": [20,20,20,20,20]
+      "weights": [20.0,20.0,20.0,20.0,20.0]
     },
     {
       "name": "Foreground",
@@ -36,4 +36,4 @@
   "baseURI": ".",
   "name": "NFT #",
   "description": "This is a description for this NFT series."
-}
\ No newline at end of file
+}
diff --git a/requirements.txt b/requirements.txt
index 0760fc2..97a82e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ pytest-env
 pytest-cov
 alive-progress
 toml
+autoflake
diff --git a/src/common/validate.py b/src/common/validate.py
index 91dae8f..8c758a8 100644
--- a/src/common/validate.py
+++ b/src/common/validate.py
@@ -85,10 +85,10 @@ def validate_config(config: dict) -> bool:
                     )
 
                 for j, weight in enumerate(layer["weights"]):
-                    if not isinstance(weight, int):
+                    if not isinstance(weight, int) and not isinstance(weight, float):
                         raise ConfigValidationError(
-                            'config["layers"][{}]["{}"][{}]: Invalid layer weight: \'{}\'. Expected type: {}'.format(
-                                i, required_key[0], j, weight, int
+                            'config["layers"][{}]["{}"][{}]: Invalid layer weight: \'{}\'. Expected type: {} or {}'.format(
+                                i, required_key[0], j, weight, int, float
                             )
                         )
 
diff --git a/trait-layers/.DS_Store b/trait-layers/.DS_Store
index 02d26bc..127f040 100644
Binary files a/trait-layers/.DS_Store and b/trait-layers/.DS_Store differ